Effect of Long-term Fertilization on Phosphorus (P) Balance and Critical Value of Soil Olsen-P in Fluvo-aquic Soil of Shandong Province
SUN Cuiping, ZHANG Yingpeng, LUO Jiafa, ZHONG Ziwen, SUN Ming, LI Yan, LIU Zhaohui, JING Yongping, BO Luji
ACTA AGRICULTURAE BOREALI-SINICA . 2019, (5): 185 -191 .  DOI: 10.7668/hbnxb.201751350